(a) lack of 缺少；不足；没有

　　be lacking in 缺乏，不足

　　②She is easy­going, so she does not lack for friends.

　　她很随和，所以她不缺少朋友。

　　③You will not be lacking (lack) in support from me.

　　我会永远支持你。

　　[名师点津]　lacking既是lack的现在分词形式，又是形容词，使用时要注意区分。

　　competence n．[U，C]能力，胜任；[C]技能，本领

　　①Typing is considered by most employers to be a basic competence.

　　大多数雇主认为打字是一种基本技能。

　　(1)competence in (doing) sth.　做某事的能力

　　(2)competent adj. 能胜任的，有才干的

　　be competent to do sth. 能胜任做某事

　　②He displayed thorough competence in dealing with the issues.

　　他在处理这些问题时彻底体现出了他的能力。

　　③Is he really competent to_run (run) the switchboard?

　　他真的能胜任操作交换台的工作吗？

　　3．(教材P41)They wouldn't have achieved their success if they had abandoned their dreams.

　　如果他们放弃了自己的梦想，他们就不会取得成功。

　　abandon

　　(1)vt.放弃，丢弃；抛弃，遗弃；中止；陷入，沉湎于(某种感情)

　　abandon sb./sth. to sb.　　 　 舍弃某人/物给某人

　　abandon doing sth. 放弃做某事

　　abandon oneself to (doing) sth. 沉湎于(做)某事

　　①They had to abandon their lands to the invading forces.

　　他们不得不舍弃土地，让侵略军占领。

　　②In spite of difficulties, the old man never abandoned studying (study) English.

　　尽管困难重重，老人从未放弃学英语。

　　(2)n.放纵；放任

　　with abandon　　　　　　　 放任地

　　③The kids are playing jokes with_abandon.

　　孩子们任意地开着玩笑。

[语境串记]　The boy was abandoned by his parents when he was a baby, so he tended to